/*
 * (c) Copyright 2007, 2008, 2009 Hewlett-Packard Development Company, LP
 * All rights reserved.
 * [See end of file]
 */

package arq;

import arq.cmd.CmdException;
import arq.cmdline.CmdARQ;
import arq.cmdline.ModDatasetGeneral;
import arq.cmdline.ModQueryIn;
import arq.cmdline.ModRemote;
import arq.cmdline.ModResultsOut;

import com.hp.hpl.jena.query.Query;
import com.hp.hpl.jena.query.QueryExecution;
import com.hp.hpl.jena.query.QueryExecutionFactory;
import com.hp.hpl.jena.sparql.engine.http.HttpQuery;
import com.hp.hpl.jena.sparql.engine.http.QueryExceptionHTTP;
import com.hp.hpl.jena.sparql.util.QueryExecUtils;

public class remote extends CmdARQ
{
    protected ModQueryIn    modQuery =      new ModQueryIn() ;
    protected ModRemote     modRemote =     new ModRemote() ;
    protected ModDatasetGeneral modDesc =   new ModDatasetGeneral() ;
    protected ModResultsOut modResults =    new ModResultsOut() ;

    public static void main (String... argv)
    {
        new remote(argv).mainRun() ;
    }


    public remote(String[] argv)
    {
        super(argv) ;
        super.addModule(modRemote) ;
        super.addModule(modQuery) ;
        super.addModule(modDesc) ;
        super.addModule(modResults) ;
    }
    
    
    @Override
    protected void processModulesAndArgs()
    {
        super.processModulesAndArgs() ;
        if ( modRemote.getServiceURL() == null )
            throw new CmdException("No SPARQL endpoint specificied") ;
    }
    
    @Override
    protected void exec()
    {
        Query query = modQuery.getQuery() ;

        try {
            String serviceURL = modRemote.getServiceURL() ;
            QueryExecution qe = QueryExecutionFactory.sparqlService(serviceURL, query,
                                                                    modDesc.getGraphURLs(),
                                                                    modDesc.getNamedGraphURLs()) ;

            if ( modRemote.usePost() )
                HttpQuery.urlLimit = 0 ;

            QueryExecUtils.executeQuery(query, qe, modResults.getResultsFormat()) ;
        } catch (QueryExceptionHTTP ex)
        {
            throw new CmdException("HTTP Exeception", ex) ;
        }
        catch (Exception ex)
        {
            System.out.flush() ;
            ex.printStackTrace(System.err) ;
        }
    }


    @Override
    protected String getSummary()
    {
        return null ;
    }

}

/*
 * (c) Copyright 2007, 2008, 2009 Hewlett-Packard Development Company, LP
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */